85443488 has 48 divisors (see below), whose sum is σ = 182034216. Its totient is φ = 39244800.

The previous prime is 85443469. The next prime is 85443499. The reversal of 85443488 is 88434458.

It can be written as a sum of positive squares in 4 ways, for example, as 84419344 + 1024144 = 9188^2 + 1012^2 .

It is a super-2 number, since 2×85443488² = 14601179283212288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121538 + ... + 122238.

Almost surely, 2^85443488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85443488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91017108).

85443488 is an abundant number, since it is smaller than the sum of its proper divisors (96590728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85443488 is a wasteful number, since it uses less digits than its factorization.

85443488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1009 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 85443488 is about 9243.5646803601. The cubic root of 85443488 is about 440.4463239676.

The spelling of 85443488 in words is "eighty-five million, four hundred forty-three thousand, four hundred eighty-eight".